Update mstest monorepo to v3.3.1

Author: renovate[bot]

algorithm-exercises-csharp/algorithm-exercises-csharp.csproj

@@ -28,8 +28,8 @@
       <PrivateAssets>all</PrivateAssets>
     </PackageReference>
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.8.0" />
-    <PackageReference Include="MSTest.TestAdapter" Version="3.1.1" />
-    <PackageReference Include="MSTest.TestFramework" Version="3.1.1" />
+    <PackageReference Include="MSTest.TestAdapter" Version="3.3.1" />
+    <PackageReference Include="MSTest.TestFramework" Version="3.3.1" />
   </ItemGroup>
 
   <ItemGroup>